Thinking about giving 27 Diamonds a spin? We tested it thoroughly so you know what to expect. Built by Tech4Bet, it lands as a title with medium high volatility and 95.71% RTP. Dating back to 2018, it remains a regular pick. Visually it's themed around diamond and gem, with the action running on a 5-reel grid running 20 paylines. If everything lines up, 27 Diamonds can pay up to 5,000x your bet. Here's how it stacks up.
Written by Sophie Williams · Last updated: February 2026
This slot, 27 Diamonds, is the work of Tech4Bet. Presentation-wise it's leaning into a diamond and gem aesthetic, and it leans toward medium high variance at a published RTP of 95.71%. Under the hood you'll find a 5-reel grid running 20 paylines.
Where 27 Diamonds earns its keep is the feature set. Look out for scatter symbols that unlock free spins and extra bonus rounds. The medium high volatility strikes a middle ground that should suit most playing styles. All told, it's a solid entry in the Tech4Bet catalogue.
At 95.71%, the RTP is slightly below the industry average of ~96%. While this is typical for many popular slots, players should be aware of the slightly lower theoretical return.
Medium-high volatility means wins come less frequently but tend to be larger when they hit. Players should be prepared for dry spells between bigger wins, requiring a moderate bankroll.
About 1 in 3 spins results in a win. This is a moderate hit frequency that balances win frequency with payout size.
27 Diamonds features scatter symbols that can trigger free spins rounds. Landing the required number of scatter symbols anywhere on the reels activates the free spins feature, giving you extra chances to win without additional bets. During free spins, special modifiers may apply to boost your winning potential.
3.0 / 5 — Good
27 Diamonds by Tech4Bet is a solid offering that delivers good entertainment value. The 95.71% RTP combined with medium high volatility creates a well-balanced gaming experience.